octo | 91c869c6c2059a9b04ecab65a56cc36ecf6628815ff56e7440ba817d718b5f4e

Analysis

max time kernel
149s
max time network
151s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
07-11-2024 22:09

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General

Target

91c869c6c2059a9b04ecab65a56cc36ecf6628815ff56e7440ba817d718b5f4e.apk
Size

561KB
MD5

5de6bcdaaf6b7895da66d692600236a6
SHA1

d43afd06f13e04264b9c2ded92ecff5c20472dee
SHA256

91c869c6c2059a9b04ecab65a56cc36ecf6628815ff56e7440ba817d718b5f4e
SHA512

69647a4653530b69835611e941fcad4b4687b8bf57fcb189f0721fd215dcbfbe9f7819ba5e5e3d2206a1ff7062681d9aa29b14a2142ae2ac632aeceeec376f3c
SSDEEP

12288:xRDMUjFWFPb1H/NZ/P784Uz9AuOcPwNphZVAWRMB3RCwG/BEFitn7:xdMUjFWFPJFZ/P78SRWWCRCw4mF2n7

Score

10^/10

octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan

Malware Config

Extracted

Family

octo

https://hepsinezipala4esdim52.com/YzM1YThkNDFkNmQ0/

https://hersenbo67saaaeldai548.com/YzM1YThkNDFkNmQ0/

https://alayinag45idaesaesr5454.com/YzM1YThkNDFkNmQ0/

https://neadamsin45mdeaayaq.com/YzM1YThkNDFkNmQ0/

https://hepsi010malltim21.com/YzM1YThkNDFkNmQ0/

rc4.plain

Extracted

Family

octo

https://hepsinezipala4esdim52.com/YzM1YThkNDFkNmQ0/

https://hersenbo67saaaeldai548.com/YzM1YThkNDFkNmQ0/

https://alayinag45idaesaesr5454.com/YzM1YThkNDFkNmQ0/

https://neadamsin45mdeaayaq.com/YzM1YThkNDFkNmQ0/

https://hepsi010malltim21.com/YzM1YThkNDFkNmQ0/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo
Octo family
octo

Octo payload 1 IoCs

resource	yara_rule
behavioral1/files/fstream-1.dat	family_octo

Removes its main activity from the application launcher 1 TTPs 1 IoCs

stealth trojan evasion

Suppress Application Icon

T1628.001

pid	Process
4307	com.putidea84

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.putidea84/cache/jmdxmloeumceekh	4307	com.putidea84
/data/user/0/com.putidea84/cache/jmdxmloeumceekh	4307	com.putidea84

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.putidea84
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.putidea84

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.putidea84

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.putidea84

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.putidea84
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.putidea84

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.putidea84

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422
Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs

collection credential_access

Access Notifications

T1517

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.putidea84

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.putidea84

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.putidea84

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.putidea84

com.putidea84
1⤵
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4307

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

Suppress Application Icon

T1628.001

User Evasion

T1628.002

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Access Notifications

T1517

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Access Notifications

T1517

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

Replay Monitor

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Downloads

/data/data/com.putidea84/cache/jmdxmloeumceekh

Filesize
449KB

MD5
99d43cc28bd5633ec42e2f58351059a1

SHA1
fcec0f7db5b8b33db1fdc59a593fd68829027ff2

SHA256
15df5b79abab91dbea4b0f2dc57c6748d8544c03d1925ef1e4120884e8e926b8

SHA512
72272a106b0e5daeda6273eaaab572ff56ad9e9abd3be6ae5d1c21c5f03de7a1cc693bbf3fd0d4ae053941da7da9fae5196002d003441f229129126c0d9c8e8d

Download Submit
/data/data/com.putidea84/cache/oat/jmdxmloeumceekh.cur.prof

Filesize
533B

MD5
f68f9ed3c0d3c0c7b7a153118d3e0194

SHA1
3eb314f77bdbdd99d5b8643823a6a164692a87ac

SHA256
ca7b36c49eaaf269f977d462a54b3705b4b014723c5105e17c72c597ef3c4841

SHA512
880a475f68ecb4bef9f5551d6567c4aa889a3372a03d0cb078fc7c5b7e511058751045ee58a87acc842ca6db496cac6feb262c1e398f59e2b13c50711e7b2b17

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads